.page-products {
  --tools-season: var(--winter);
  --tools-sticky-top: 6rem;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
}

/* ---------- 首屏 ---------- */
.page-products .tools-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--ink-green);
  color: var(--snow);
  padding: calc(5.75rem + 2vw) 0 2.75rem;
}

.page-products .tools-hero::before {
  content: "";
  position: absolute;
  top: -35%;
  right: -12%;
  width: 78%;
  height: 170%;
  background: linear-gradient(140deg, rgba(143, 191, 106, 0.26), rgba(46, 111, 142, 0.22) 44%, rgba(201, 139, 46, 0.14) 74%, rgba(169, 191, 198, 0.05));
  clip-path: polygon(34% 0, 100% 0, 100% 100%, 0 100%);
  pointer-events: none;
  z-index: -1;
}

.page-products .tools-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 6px;
  background: linear-gradient(90deg,
    var(--spring) 0 34%,
    var(--summer) 34% 56%,
    var(--autumn) 56% 79%,
    var(--winter) 79% 100%);
}

.page-products .tools-hero .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
}

.page-products .tools-hero .breadcrumb__item {
  color: rgba(251, 251, 248, 0.6);
}

.page-products .tools-hero .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  margin-right: 0.4rem;
  color: rgba(251, 251, 248, 0.35);
}

.page-products .tools-hero .breadcrumb__item a {
  color: rgba(251, 251, 248, 0.8);
  text-decoration: none;
}

.page-products .tools-hero .breadcrumb__item a:hover {
  color: var(--spring);
}

.page-products .eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--summer);
  margin: 1.4rem 0 0;
}

.page-products .tools-hero .eyebrow {
  color: var(--spring);
  margin-top: 1.5rem;
}

.page-products .hero-grid {
  display: grid;
  gap: 2rem;
  margin-top: 0.75rem;
}

.page-products .tools-hero h1 {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(1.85rem, 5.4vw, 3rem);
  line-height: 1.22;
  letter-spacing: -0.01em;
  margin: 0.7rem 0 1rem;
  color: var(--snow);
}

.page-products .hero-lead {
  max-width: 34em;
  margin: 0;
  font-size: 1rem;
  line-height: 1.85;
  color: rgba(251, 251, 248, 0.82);
}

.page-products .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.65rem;
}

.page-products .tools-hero .btn--ghost {
  color: var(--snow);
  border-color: rgba(169, 191, 198, 0.45);
}

.page-products .tools-hero .btn--ghost:hover {
  border-color: var(--spring);
  color: var(--spring);
}

.page-products .hero-cards {
  display: grid;
  gap: 1px;
  background: rgba(169, 191, 198, 0.26);
  border: 1px solid rgba(169, 191, 198, 0.26);
}

.page-products .hero-card {
  --tools-season: var(--summer);
  display: grid;
  gap: 0.3rem;
  padding: 1rem 1.1rem 1.15rem;
  background: rgba(14, 43, 36, 0.72);
  border-left: 3px solid var(--tools-season);
  color: var(--snow);
  text-decoration: none;
  transition: background var(--dur) var(--ease);
}

.page-products .hero-card--spring {
  --tools-season: var(--spring);
}

.page-products .hero-card--summer {
  --tools-season: var(--summer);
}

.page-products .hero-card:hover,
.page-products .hero-card:focus-visible {
  background: rgba(28, 58, 51, 0.92);
}

.page-products .hero-card__k {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: rgba(251, 251, 248, 0.62);
}

.page-products .hero-card__v {
  font-family: var(--font-mono);
  font-size: 1.35rem;
  color: var(--tools-season);
  letter-spacing: 0.01em;
}

.page-products .hero-card__d {
  font-size: 0.82rem;
  line-height: 1.65;
  color: rgba(251, 251, 248, 0.72);
}

/* ---------- 通用章节头 ---------- */
.page-products .section__head {
  max-width: 48em;
}

.page-products .section-title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(1.35rem, 3.4vw, 1.95rem);
  line-height: 1.32;
  margin: 0.35rem 0 0.75rem;
  color: var(--ink);
}

.page-products .section-lead {
  margin: 0;
  font-size: 0.98rem;
  line-height: 1.85;
  color: var(--body-soft);
}

.page-products .media-frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 通道对照 ---------- */
.page-products .channel-section {
  padding: 3rem 0 3.25rem;
  border-bottom: 1px solid var(--line);
}

.page-products .channel-figure {
  margin: 1.75rem 0 1.25rem;
  border: 1px solid var(--line);
  background: var(--snow);
}

.page-products .channel-grid {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .channel {
  --tools-season: var(--winter);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding: 1.7rem 1.15rem 1.15rem;
  background: var(--snow);
}

.page-products .channel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
  background: var(--tools-season);
}

.page-products .channel--spring {
  --tools-season: var(--spring);
}

.page-products .channel--summer {
  --tools-season: var(--summer);
}

.page-products .channel--autumn {
  --tools-season: var(--autumn);
}

.page-products .channel--winter {
  --tools-season: var(--winter);
}

.page-products .channel__name {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.4rem;
  line-height: 1.2;
  color: var(--ink);
}

.page-products .channel__role {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--body-soft);
}

.page-products .channel__facts {
  display: grid;
  gap: 0.6rem;
  margin: 0;
  font-size: 0.85rem;
}

.page-products .channel__facts dt {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--summer);
  margin-bottom: 0.15rem;
}

.page-products .channel__facts dd {
  margin: 0;
  line-height: 1.65;
  color: var(--ink);
}

.page-products .channel__ver {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin: auto 0 0;
  padding-top: 0.75rem;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink);
}

.page-products .channel__state {
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  padding: 0.12rem 0.4rem;
  border: 1px solid var(--line-strong);
  color: var(--body-soft);
}

.page-products .channel-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.9rem;
  margin-top: 1.35rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--line);
}

.page-products .channel-foot p {
  margin: 0;
  max-width: 42em;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--body-soft);
}

/* ---------- 三栏骨架 ---------- */
.page-products .tools-shell {
  display: grid;
  gap: 2rem;
  padding: 3rem 0 3.5rem;
}

.page-products .tool-section {
  padding-bottom: 2.6rem;
  margin-bottom: 2.6rem;
  border-bottom: 1px solid var(--line);
}

.page-products .tool-section:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: 0;
}

.page-products .tool-split {
  display: grid;
  gap: 1.5rem;
  margin-top: 1.4rem;
}

.page-products .tool-split__body p {
  margin: 0 0 0.9rem;
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--body-soft);
}

.page-products .tool-split__body figure {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--snow);
}

/* ---------- 下载步骤 ---------- */
.page-products .steps {
  display: grid;
  gap: 1px;
  list-style: none;
  margin: 1.5rem 0 1.2rem;
  padding: 0;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .steps li {
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr);
  gap: 0.85rem;
  padding: 0.9rem 1rem;
  background: var(--snow);
}

.page-products .steps__n {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--summer);
  padding-top: 0.15rem;
}

.page-products .steps h3 {
  margin: 0 0 0.25rem;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--ink);
}

.page-products .steps p {
  margin: 0;
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--body-soft);
}

/* ---------- 历史包 --- */
.page-products .archive {
  margin-top: 1.75rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--line-strong);
}

.page-products .archive__title {
  margin: 0 0 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--body-soft);
}

.page-products .archive__group {
  border-bottom: 1px solid var(--line);
}

.page-products .archive__group summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 0;
  font-size: 0.92rem;
  color: var(--ink);
  cursor: pointer;
  list-style: none;
}

.page-products .archive__group summary::-webkit-details-marker {
  display: none;
}

.page-products .archive__group summary::after {
  content: "＋";
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--summer);
}

.page-products .archive__group[open] summary::after {
  content: "－";
}

.page-products .archive__list {
  list-style: none;
  margin: 0 0 0.9rem;
  padding: 0;
  display: grid;
  gap: 0.4rem;
}

.page-products .archive__list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.45rem 0.7rem;
  background: var(--snow);
  border: 1px solid var(--line);
  font-size: 0.84rem;
  color: var(--body-soft);
}

.page-products .archive__list .mono {
  font-family: var(--font-mono);
  color: var(--ink);
}

/* ---------- 企业查询面板 ---------- */
.page-products .panel-list {
  list-style: none;
  margin: 1.2rem 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .panel-list li {
  display: grid;
  gap: 0.25rem;
  padding: 0.8rem 0.95rem;
  background: var(--snow);
  font-size: 0.87rem;
  line-height: 1.7;
  color: var(--body-soft);
}

.page-products .panel-list__k {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--summer);
}

/* ---------- 版本时间线 ---------- */
.page-products .tool-section--dark {
  position: relative;
  overflow: hidden;
  margin-bottom: 2.6rem;
  padding: 2rem 1.15rem 2.1rem;
  background: var(--ink-green);
  color: var(--snow);
  border-bottom: 0;
}

.page-products .release-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-products .release-bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.32;
}

.page-products .release-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(14, 43, 36, 0.94), rgba(14, 43, 36, 0.78));
}

.page-products .release-inner {
  position: relative;
  z-index: 1;
}

.page-products .tool-section--dark .section-title {
  color: var(--snow);
}

.page-products .tool-section--dark .section-lead {
  color: rgba(251, 251, 248, 0.74);
}

.page-products .tool-section--dark .eyebrow {
  color: var(--autumn);
}

.page-products .release-list {
  display: grid;
  gap: 1px;
  margin-top: 1.5rem;
  background: rgba(169, 191, 198, 0.26);
  border: 1px solid rgba(169, 191, 198, 0.26);
}

.page-products .release {
  background: rgba(14, 43, 36, 0.88);
}

.page-products .release summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.3rem 0.8rem;
  padding: 0.9rem 1rem;
  cursor: pointer;
  list-style: none;
}

.page-products .release summary::-webkit-details-marker {
  display: none;
}

.page-products .release__ver {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--spring);
}

.page-products .release__title {
  flex: 1 1 11rem;
  font-size: 0.94rem;
  line-height: 1.55;
  color: var(--snow);
}

.page-products .release__meta {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  color: rgba(251, 251, 248, 0.58);
}

.page-products .release__state {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  padding: 0.1rem 0.4rem;
  border: 1px solid rgba(169, 191, 198, 0.42);
  color: rgba(251, 251, 248, 0.86);
}

.page-products .release summary::after {
  content: "＋";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--autumn);
}

.page-products .release[open] summary::after {
  content: "－";
}

.page-products .release__body {
  padding: 0 1rem 1.05rem;
}

.page-products .release__body ul {
  margin: 0;
  padding-left: 1.1rem;
  display: grid;
  gap: 0.35rem;
  font-size: 0.86rem;
  line-height: 1.75;
  color: rgba(251, 251, 248, 0.76);
}

.page-products .release[open] .release__body {
  animation: products-release-fade 240ms var(--ease);
}

@keyframes products-release-fade {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.page-products .release-foot {
  margin: 1.25rem 0 0;
  font-size: 0.86rem;
  line-height: 1.8;
  color: rgba(251, 251, 248, 0.72);
}

.page-products .release-foot a {
  color: var(--spring);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 工具对照表 ---------- */
.page-products .tool-list {
  margin: 1.4rem 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-products .tool-row {
  display: grid;
  gap: 0.3rem;
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--line);
}

.page-products .tool-row dt {
  font-size: 0.94rem;
  font-weight: 600;
  color: var(--ink);
}

.page-products .tool-row dd {
  margin: 0;
  font-size: 0.87rem;
  line-height: 1.75;
  color: var(--body-soft);
}

.page-products .tool-row__path {
  display: inline-block;
  margin-left: 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--summer);
  border-bottom: 1px dashed rgba(46, 111, 142, 0.45);
}

/* ---------- 环境要求 ---------- */
.page-products .req-list {
  list-style: none;
  margin: 1.3rem 0 1rem;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-products .req-list li {
  display: grid;
  gap: 0.2rem;
  padding: 0.8rem 0.95rem;
  background: var(--snow);
  font-size: 0.87rem;
  line-height: 1.7;
  color: var(--ink);
}

.page-products .req-list__k {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--summer);
}

/* ---------- 帮助出口 ---------- */
.page-products .help-cards {
  display: grid;
  gap: 1rem;
  margin-top: 1.4rem;
}

.page-products .help-card {
  --tools-season: var(--winter);
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  padding: 1.1rem 1.1rem 1.25rem;
  background: var(--snow);
  border: 1px solid var(--line);
  border-top: 3px solid var(--tools-season);
}

.page-products .help-card--summer {
  --tools-season: var(--summer);
}

.page-products .help-card--autumn {
  --tools-season: var(--autumn);
}

.page-products .help-card--winter {
  --tools-season: var(--winter);
}

.page-products .help-card h3 {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--ink);
}

.page-products .help-card p {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.75;
  color: var(--body-soft);
}

.page-products .help-card .btn {
  margin-top: auto;
  align-self: flex-start;
}

.page-products .help-note {
  margin: 1.35rem 0 0;
  font-size: 0.85rem;
  line-height: 1.8;
  color: var(--body-soft);
}

.page-products .help-note a {
  color: var(--summer);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 右侧旁注 ---------- */
.page-products .tools-rail {
  display: grid;
  gap: 1rem;
  align-content: start;
}

.page-products .rail-card {
  --tools-season: var(--summer);
  padding: 1rem 1.05rem 1.15rem;
  background: var(--snow);
  border: 1px solid var(--line);
  border-left: 3px solid var(--tools-season);
}

.page-products .rail-card--sync {
  --tools-season: var(--summer);
}

.page-products .rail-card--rec {
  --tools-season: var(--autumn);
}

.page-products .rail-card__label {
  margin: 0 0 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: var(--body-soft);
}

.page-products .rail-card__value {
  margin: 0 0 0.5rem;
  font-family: var(--font-mono);
  font-size: 1.22rem;
  color: var(--ink);
}

.page-products .rail-card__note {
  margin: 0 0 0.85rem;
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--body-soft);
}

.page-products .rail-card .btn {
  width: 100%;
  text-align: center;
}

/* ---------- 延伸入口 ---------- */
.page-products .tools-extra {
  padding-top: 0.9rem;
  border-top: 1px solid var(--line-strong);
}

.page-products .tools-extra__label {
  margin: 0 0 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: var(--body-soft);
}

.page-products .tools-extra__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.45rem;
}

.page-products .tools-extra__list a {
  display: block;
  padding-bottom: 0.35rem;
  border-bottom: 1px solid var(--line);
  font-size: 0.87rem;
  color: var(--ink);
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-products .tools-extra__list a:hover,
.page-products .tools-extra__list a:focus-visible {
  color: var(--summer);
  border-color: var(--summer);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-products .channel-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-products .tool-split {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
    gap: 2rem;
    align-items: start;
  }

  .page-products .tool-split--media-left {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr);
  }

  .page-products .tool-split--media-right {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  }

  .page-products .tool-row {
    grid-template-columns: 10rem minmax(0, 1fr);
    gap: 1.5rem;
    align-items: baseline;
  }

  .page-products .req-list li {
    grid-template-columns: 7.5rem minmax(0, 1fr);
    gap: 1rem;
    align-items: baseline;
  }

  .page-products .panel-list li {
    grid-template-columns: 8rem minmax(0, 1fr);
    gap: 1rem;
    align-items: baseline;
  }

  .page-products .help-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-products .hero-grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    gap: 3rem;
    align-items: end;
  }

  .page-products .tools-shell {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 2.5rem;
    align-items: start;
  }

  .page-products .tools-main {
    grid-column: 1;
    grid-row: 1;
  }

  .page-products .tools-rail {
    grid-column: 2;
    grid-row: 1;
    position: sticky;
    top: var(--tools-sticky-top);
  }

  .page-products .tools-extra {
    grid-column: 2;
    grid-row: 2;
    align-self: start;
  }

  .page-products .tool-section--dark {
    padding: 2.5rem 2rem 2.6rem;
  }
}

@media (min-width: 1000px) {
  .page-products .channel-grid {
    grid-template-columns: 1.16fr 1.04fr 0.94fr 0.86fr;
  }
}

@media (min-width: 1200px) {
  .page-products .tools-shell {
    grid-template-columns: minmax(0, 1fr) 250px 180px;
    gap: 2.5rem;
  }

  .page-products .tools-rail {
    grid-column: 2;
  }

  .page-products .tools-extra {
    grid-column: 3;
    grid-row: 1;
    position: sticky;
    top: var(--tools-sticky-top);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-products .release[open] .release__body {
    animation: none;
  }

  .page-products .hero-card,
  .page-products .tools-extra__list a {
    transition: none;
  }
}
<<<END>>>